Lake Ilsanjo Weather Forecast

    • 52
    • 81

    Sunny

    • 59
    • 90

    Sunny

    • 56
    • 91

    Sunny

    • 49
    • 86

    Mostly Sunny

    • 45
    • 74

    Mostly Sunny

    • 45
    • 68

    Slight Chance Rain

Today 14 Oct North Bay Interior Valleys

Sunny. Highs in the lower 70s to mid 80s. Southwest Winds 5 to 10 Mph.

Tonight 14 Oct North Bay Interior Valleys

Mostly clear. Lows in the mid 40s to upper 50s. West Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Ilsanjo Temperature Statistics

October Temperature

Santa Rosa, Santa Rosa Sonoma County Airport (11.2 miles)

  • Lowest 12 October, 2026

    39 °F

  • Average October

    67.8 °F

  • Highest 3 October, 2026

    102.7 °F

Climate (2021–2026)

Santa Rosa, Santa Rosa Sonoma County Airport (11.2 miles)

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  • Average Low 2021–2026

    45.9 °F

  • Average 2021–2026

    58.8 °F

  • Average High 2021–2026

    73 °F
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